The Stanford University educator welcomed her son via surrogate in January of last year.
Tyra shares her son with Erik Asla, a Norwegian photographer who is also the father of three other children.
She said: 'I stepped away, but social media was calling my name in my sleep, screaming they were p****d off at me that I deserted [the show].'I needed to bring my butt back, so I did.
In the accompanying interview, Tyra discussed leaving her role on America's Next Top Model and subsequently returning.
Her bra size varies depending on age, but she had C or D cups most of the time.
Banks was also the first African American woman on the cover of GQ and Sports Illustrated Swimsuit Issue.
reports the couple, who have been dating since 2013, have split up. They are still friends and co-parenting their son, York Banks Asla, together.
But they haven't completely ended their relationship as they share a son, York, who was born last January via surrogate!